/* Copyright 2009 Requirements Management System 
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.mags.remas.editfile;

import java.sql.Blob;   

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IDocumentPartitioner;
import org.eclipse.jface.text.rules.FastPartitioner;
import org.eclipse.ui.editors.text.FileDocumentProvider;
import org.jboss.ide.eclipse.freemarker.editor.PartitionScanner;
import org.mags.common.EngineContext;
import org.mags.remas.model.entity.EntityFile;

/**
 * 
 * @author Mario Gaitan
 *
 */
public class TextDocumentProvider extends FileDocumentProvider {
	private EntityFile entityFile;
	private String contentFile;
	
	public EntityFile getEntityFile() {
		return entityFile;
	}
	public void setEntityFile(EntityFile entityFile) {
		this.entityFile = entityFile;
	}
	public String getContentFile() {
		return contentFile;
	}
	public void setContentFile(String contentFile) {
		this.contentFile = contentFile;
	}
	@Override
	public boolean isModifiable(Object element) {
		return true;
	}
	@Override
	public boolean isReadOnly(Object element) {
		return false;
	}
	public TextDocumentProvider() {
		super();
	}
	protected void doSaveDocument(IProgressMonitor monitor, Object element, IDocument document, boolean overwrite) throws CoreException {
		Blob blob = EngineContext.getDataContext().getEntityProviderFactory().getEntityFileProvider().getDao().createBlob(document.get().getBytes());
		entityFile.setContent(blob);
		entityFile.setExtension("txt");
		EngineContext.getDataContext().getEntityProviderFactory().getEntityFileProvider().createOrUpdate(entityFile);
	}
	protected IDocument createDocument(Object element) throws CoreException {
		IDocument document = new Document();
		document.set(contentFile);
		super.setupDocument(element, document);
		if (document != null) {
			IDocumentPartitioner partitioner =
				new FastPartitioner(
					new PartitionScanner(),
					PartitionScanner.PARTITIONS);
			partitioner.connect(document);
			document.setDocumentPartitioner(partitioner);
		}
		return document;
	}
}